This is a precision-machined shim used within the engine of Volvo FH12, FH16, FH 420, FH 460, and FH 500 models. Its primary function is to provide precise spacing and adjustment for critical engine components, ensuring correct clearances and alignment for optimal performance and wear reduction. Manufactured to exact OEM specifications, this shim maintains the integrity of engine tolerances, unlike a worn or damaged shim that could lead to improper component seating and increased wear. Observable symptoms of a failed or missing shim can include abnormal engine noises, such as knocking or ticking, a loss of engine power, or increased oil consumption.
Always verify with serial number before ordering.
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Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
An improperly seated or missing shim can first manifest as an audible engine noise, such as a distinct ticking or knocking sound from the affected area. If ignored, this can lead to accelerated wear on adjacent engine components due to incorrect loading or excessive play. The ultimate consequence is potential damage to critical engine parts, leading to significant repair costs and extended downtime.
Ensure the mating surfaces of the shim and the components it contacts are perfectly clean and free of burrs or debris before installation. Never reuse a shim that has been deformed or damaged, as this will compromise the critical engine clearances it is meant to maintain.
When replacing engine shims, it is advisable to inspect the condition of the components they adjust, such as bearings, camshafts, or valve train parts, for signs of wear.